diff --git a/magick/wand/data.lua b/magick/wand/data.lua
index dec9a4c..fc2a0fc 100644
--- a/magick/wand/data.lua
+++ b/magick/wand/data.lua
@@ -105,9 +105,45 @@ local interlace = enum({
   "JPEGInterlace",
   "PNGInterlace"
 })
+local filtertype = enum({
+  [0] = "UndefinedFilter",
+  "PointFilter",
+  "BoxFilter",
+  "TriangleFilter",
+  "HermiteFilter",
+  "HannFilter",
+  "HammingFilter",
+  "BlackmanFilter",
+  "GaussianFilter",
+  "QuadraticFilter",
+  "CubicFilter",
+  "CatromFilter",
+  "MitchellFilter",
+  "JincFilter",
+  "SincFilter",
+  "SincFastFilter",
+  "KaiserFilter",
+  "WelchFilter",
+  "ParzenFilter",
+  "BohmanFilter",
+  "BartlettFilter",
+  "LagrangeFilter",
+  "LanczosFilter",
+  "LanczosSharpFilter",
+  "Lanczos2Filter",
+  "Lanczos2SharpFilter",
+  "RobidouxFilter",
+  "RobidouxSharpFilter",
+  "CosineFilter",
+  "SplineFilter",
+  "LanczosRadiusFilter",
+  "CubicSplineFilter",
+  "SentinelFilter"
+})
 return {
   composite_operators = composite_operators,
   gravity = gravity,
   orientation = orientation,
-  interlace = interlace
+  interlace = interlace,
+  filtertype = filtertype
 }
diff --git a/magick/wand/image.lua b/magick/wand/image.lua
index 21a1d19..35d3257 100644
--- a/magick/wand/image.lua
+++ b/magick/wand/image.lua
@@ -4,10 +4,11 @@ do
   local _obj_0 = require("magick.wand.lib")
   lib, can_resize, get_filter = _obj_0.lib, _obj_0.can_resize, _obj_0.get_filter
 end
-local composite_operators, gravity, orientation, interlace
+local composite_operators, gravity, orientation, interlace, filtertype
 do
   local _obj_0 = require("magick.wand.data")
   composite_operators, gravity, orientation, interlace = _obj_0.composite_operators, _obj_0.gravity, _obj_0.orientation, _obj_0.interlace
+  filtertype = _obj_0.filtertype
 end
 local get_exception
 get_exception = function(wand)
@@ -101,7 +102,7 @@ do
         error("Failed to load filter list, can't resize")
       end
       w, h = self:_keep_aspect(w, h)
-      return handle_result(self, lib.MagickResizeImage(self.wand, w, h, get_filter(f), blur))
+      return handle_result(self, lib.MagickResizeImage(self.wand, w, h, filtertype:to_int(f .. 'Filter'), blur))
     end,
     adaptive_resize = function(self, w, h)
       w, h = self:_keep_aspect(w, h)
@@ -238,6 +239,14 @@ do
       itype = assert(interlace:to_int(itype), "invalid interlace type")
       return lib.MagickSetImageInterlaceScheme(self.wand, itype)
     end,
+    get_profile = function(self, profile)
+      local len = ffi.new("size_t[1]", 0)
+      local blob = ffi.gc(lib.MagickGetImageProfile(self.wand, profile, len), lib.MagickRelinquishMemory)
+      return ffi.string(blob, len[0])
+    end,
+    set_profile = function(self, profile, value)
+      return handle_result(self, lib.MagickSetImageProfile(self.wand, profile, value, #value))
+    end,
     auto_orient = function(self)
       return handle_result(self, lib.MagickAutoOrientImage(self.wand))
     end,
diff --git a/magick/wand/lib.lua b/magick/wand/lib.lua
index d5ab763..015af8f 100644
--- a/magick/wand/lib.lua
+++ b/magick/wand/lib.lua
@@ -10,6 +10,7 @@ ffi.cdef([[  typedef void MagickWand;
   typedef int GravityType;
   typedef int OrientationType;
   typedef int InterlaceType;
+  typedef int FilterType;
 
   void MagickWandGenesis();
   MagickWand* NewMagickWand();
@@ -114,6 +115,12 @@ ffi.cdef([[  typedef void MagickWand;
   MagickBooleanType MagickSetImageDepth(MagickWand *,const unsigned long);
   unsigned long MagickGetImageDepth(MagickWand *);
 
+  unsigned char *MagickGetImageProfile(MagickWand *wand,const char *name,
+  size_t *length);
+
+  MagickBooleanType MagickSetImageProfile(MagickWand *wand,const char *name,
+  const void *profile,const size_t length);
+
 ]])
 local get_flags
 get_flags = function()
@@ -127,41 +134,7 @@ get_flags = function()
 end
 local get_filters
 get_filters = function()
-  local fname = "magick/resample.h"
-  local prefixes = {
-    "/usr/include/ImageMagick",
-    "/usr/local/include/ImageMagick",
-    unpack((function()
-      local _accum_0 = { }
-      local _len_0 = 1
-      for p in get_flags():gmatch("-I([^%s]+)") do
-        _accum_0[_len_0] = p
-        _len_0 = _len_0 + 1
-      end
-      return _accum_0
-    end)())
-  }
-  for _index_0 = 1, #prefixes do
-    local p = prefixes[_index_0]
-    local full = tostring(p) .. "/" .. tostring(fname)
-    do
-      local f = io.open(full)
-      if f then
-        local content
-        do
-          local _with_0 = f:read("*a")
-          f:close()
-          content = _with_0
-        end
-        local filter_types = content:match("(typedef enum.-FilterTypes;)")
-        if filter_types then
-          ffi.cdef(filter_types)
-          return true
-        end
-      end
-    end
-  end
-  return false
+  return true
 end
 local get_filter
 get_filter = function(name)
@@ -171,7 +144,7 @@ local can_resize
 if get_filters() then
   ffi.cdef([[    MagickBooleanType MagickResizeImage(MagickWand*,
       const size_t, const size_t,
-      const FilterTypes, const double);
+      const FilterType, const double);
   ]])
   can_resize = true
 end